Home / 3,238,938.30-4,861,345.05-1,642,611.90

Finding the Fourth Proportional to 3,238,938.30, 4,861,345.05 and 1,642,611.90

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Solution

The fourth proportional to 3,238,938.30, 4,861,345.05 and 1,642,611.90 is: 2,465,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238,938.30 : 4,861,345.05 = 1,642,611.90 : x
  2. Step 2: Convert to fraction form
    3,238,938.30/4,861,345.05 = 1,642,611.90/x
  3. Step 3: Cross multiply
    3,238,938.30x = 4,861,345.05 × 1,642,611.90
  4. Step 4: Simplify right side
    3,238,938.30x = 7,985,303,229,136.10
  5. Step 5: Solve for x
    x = 7,985,303,229,136.10/3,238,938.30
  6. Step 6: Final answer
    x = 2,465,407.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.